A cubic yard of air weighs about 2 pounds at sea level.
31
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
One ragweed plant can release as many as one billion grains of pollen!
51
Pure water (H2O) does not conduct electricity on its own.
46
Your brain is 80% water.
525
Balsa wood is classified as a hard wood!
41